# IBM relational (SQL/DS/Db2 lineage) vendor-specific interface · access · 2002

Revision 1 (11 October 2026) · Modeled snapshot · through 8 October 2026.

All figures are research-informed estimates of analytical activity. Significant errors may remain; decimal places do not imply measurement precision.

7.2575% of the full access layer.

[IBM relational (SQL/DS/Db2 lineage) vendor-specific interface](https://history.columnar.tech/technologies/access/vendor-ibm.md): historical names and annual shares.

Connections below describe the whole IBM relational (SQL/DS/Db2 lineage) engine. Access and storage mixes are estimated separately; they are not a joint interface-to-storage distribution.

## Access use within this engine

| Option | Share of engine activity | Share of full access layer |
| --- | --- | --- |
| [IBM relational (SQL/DS/Db2 lineage) vendor-specific interface](https://history.columnar.tech/technologies/access/vendor-ibm.md) | 46.5% | 7.3% |
| [ODBC](https://history.columnar.tech/technologies/access/odbc.md) | 29.2% | 4.6% |
| [JDBC](https://history.columnar.tech/technologies/access/jdbc.md) | 15.2% | 2.4% |
| [Other language/portable APIs](https://history.columnar.tech/technologies/access/other-api.md) | 8.1% | 1.3% |
| [Python DB-API (other drivers)](https://history.columnar.tech/technologies/access/python.md) | 1% | 0.2% |

## Storage use within this engine

| Option | Share of engine activity | Share of full storage layer |
| --- | --- | --- |
| [IBM relational (SQL/DS/Db2 lineage) native storage](https://history.columnar.tech/technologies/storage/native-ibm.md) | 96% | 15% |
| [Federated relational native stores (vendor unallocated)](https://history.columnar.tech/technologies/storage/remote-relational.md) | 4% | 0.6% |

[All percentages for 2002](https://history.columnar.tech/years/2002.md)

---

[Markdown overview](https://history.columnar.tech/index.md) · [Interactive visualization](https://history.columnar.tech/?2002) · [Methodology](https://history.columnar.tech/methodology.md) · [Terms of use](https://history.columnar.tech/terms.md)

© 2026 Columnar Technologies Inc.